I e-mailed Apex and they are suggesting an 18x8.5 for my car to fit with no rubbing, no camber plates, and no fender rolling. I ordered them this morning and they shipped within a few hours! Thanks Eddy! And thanks to everyone else that provided input!
Mine: 2006 Z4 Roadster | Interlagos Blue Metallic | Black Extended Nappa Leather | Carbon Leather Trim | Premium | Navigation | Heated Seats | iPod Adapter | Purchased 7/19/12
Hers: 2011 335is Coupe | Le Mans Blue Metallic | Black Dakota Leather | Dark Glacier Aluminum | 6MT | Premium | Convenience | Heated Seats | Navigation | Harmon Kardon | iPod/USB | European Delivery 5/12/11